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Finding the Fourth Proportional to 5,018.45, 7,529.45 and 2,244.87

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Solution

The fourth proportional to 5,018.45, 7,529.45 and 2,244.87 is: 3,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.45 : 7,529.45 = 2,244.87 : x
  2. Step 2: Convert to fraction form
    5,018.45/7,529.45 = 2,244.87/x
  3. Step 3: Cross multiply
    5,018.45x = 7,529.45 × 2,244.87
  4. Step 4: Simplify right side
    5,018.45x = 16,902,625.20
  5. Step 5: Solve for x
    x = 16,902,625.20/5,018.45
  6. Step 6: Final answer
    x = 3,368.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.